出典:Wiktionary
出典:『Wiktionary』 (2010/02/21 22:41 UTC 版)
himbacine (uncountable)
出典:Wikipedia
出典:『Wikipedia』 (2011/01/14 13:34 UTC 版)
Himbacine is an alkaloid isolated from the bark of Australian magnolias. Himbacine has been synthesized using a Diels-Alder reaction as a key step. Himbacine's activity as a muscarinic receptor antagonist, with specificity for the Muscarinic acetylcholine receptor M2, made it a promising starting point in Alzheimer's disease research. The development of a muscarinic antagonist based on Himbacine failed but an analog is now in clinical trials as a thrombin receptor antagonist.